Bump werkzeug from 3.0.3 to 3.1.5 in /flask (#1149)

Bumps [werkzeug](https://github.com/pallets/werkzeug) from 3.0.3 to 3.1.5.
- [Release notes](https://github.com/pallets/werkzeug/releases)
- [Changelog](https://github.com/pallets/werkzeug/blob/main/CHANGES.rst)
- [Commits](pallets/werkzeug@3.0.3...3.1.5)

---
updated-dependencies:
- dependency-name: werkzeug
  dependency-version: 3.1.5
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: MK <kosty.maleyev@sentry.io>

Author: dependabot[bot]

flask/requirements.txt

@@ -10,7 +10,7 @@ pytz==2020.4
 sentry-sdk[statsig]>=2.45.0
 sqlalchemy==1.4.49
 redis==5.0.1
-Werkzeug==3.0.3
+Werkzeug==3.1.5
 flask_caching==2.3.0
 tiktoken==0.8.0
 celery==5.4.0